CVE-2025-55198: helm — Fix

Description

Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, when parsing Chart.yaml and index.yaml files, an improper validation of type error can lead to a panic. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring YAML files are formatted as Helm expects prior to processing them with Helm.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-908 CWE-908

Affected Products

Vendor	Product	Versions
helm	helm	< 3.18.5

References

Advisories & Patches

https://github.com/helm/helm/commit/ec5f59e2db56533d042a124f5bae54dd87b558e6

Other References

https://github.com/helm/helm/security/advisories/GHSA-f9f8-9pmf-xv68

Frequently Asked Questions

What is CVE-2025-55198? +

Helm is a package manager for Charts for Kubernetes. Prior to version 3.18.5, when parsing Chart.yaml and index.yaml files, an improper validation of type error can lead to a panic. This issue has been resolved in Helm 3.18.5. A workaround involves ensuring YAML files are formatted as Helm expects prior to processing them with Helm. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-55198? +

CVE-2025-55198 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-55198? +

CVE-2025-55198 affects products from helm, specifically: helm. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55198? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-55198